Telegraph switching system



Oct. 9, 1962 M. D. ADAMS ET AL TELEGRAPH swITcHTNG SYSTEM 63 Sheets-Sheet 1 Filed Sept. 13. 1960 OUTGOING LINES NTT/L I N VEN TORS M. D. ADAMS C. W. JOHNSON E. J. CHOJNOWSKI A. M. EISNER J. ELICH H. GLICK T OTHER MX Oct. 9, 1962 M. D. ADAMS ET AL TELEGRAPH SWITCHING SYSTEM Filed Sept. 13, 1960 65 Sheets-Sheet 2 FIG. 2A

R I N G C O U N T E R Oct. 9, 1962 M. D. ADAMS ET AL TELEGRAPH swITcHING SYSTEM 65 Sheets-Sheet 3 Filed Sept. 13, 1960 Oct. 9, 1962 M. D. ADAMS ETAL TELEGRAPH swITcHING SYSTEM 63 Sheets-Sheet 4 Filed Sept. 13, 1960 H mlm Oct. 9, 1962 M. D. ADAMS ETAL TELEGRAPH swITcHING SYSTEM 63 Sheets-Sheet 5 Filed Sept. 13. 1960 Oct. 9, 1962 M. D. ADAMS ET AL 3,057,956

TELEGRAPH SWITCHING SYSTEM 65 Sheets-Sheet 6 Filed Sept. 13, 1960 63 Sheets-Sheet 7 M. D. ADAMS vErlu.

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TELEGRAPH swITcx-IING SYSTEM Filed Sept. 13, 1960 63 Sheets-Sheet 8 Oct. 9, 1962 M. D. ADAMS ETA. 3,057,956

TELEGRAPH swITcHING SYSTEM Filed Sept. 13, 1960 65 Sheets-Sheet 9 IDW D. E (D ci Ig 2 L g 2 m s I Ilh l E m, l'- X A ALIA i vnl Oct. 9, 1962 M. D. ADAMS x-:TAL

TELEGRAPH SWITCHING SYSTEM 63 Sheets-Sheet 10 Filed Sept. l5, 1960 Oct. 9, 1962 M. D. ADAMS ETAL 3,057,956

TELEGRAPH SWITCHING SYSTEM Filed Sept. 13, 1960 65 Sheets-Sheet 11 FIG. 4A

DESTINATION 1 "7 l l l u -2007 FIG.4 F42?. 4B

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TELEGRAPH SWITCHING SYSTEM Filed Sept. 13, 1960 65 Sheets-Sheet l2 FIG. 4B

Oct. 9, 1962 M. D. ADAMS ETAL 3,057,956

TELEGRAPH SWITCHING SYSTEM Filed Sept. l5, 1960 63 Sheets-Sheet 15 DESTINATloN- 1 '2g' 5B i l n 2oo ROUTE A 'l MX LEADS u SUPV. SPO

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TELEGRAPH swITcHING SYSTEM Filed Sept. 13. 1960 63 Sheets-Sheet 14 FIG. 5B

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TELEGRAPH swITcHING SYSTEM 63 Sheets-Sheet 15 Filed Sept. 13. 1960 TO ALL SENDING AND RECElVlNG POSITIONS Oct. 9, 1962 M. D. ADAMS ET AL 3,057,956

TELEGRAPH swITcHING SYSTEM 63 Sheets-Sheet 16 Filed Sept. 13. 1960 maj mw di Oct. 9, 1962 M. D. ADAMS ETAL TELEGRAPH SWITCHING SYSTEM 63 Sheets-Sheet 17 Filed Sept. 13. 1960 Vil Tmzswj N 35.3 mz] h! Oct. 9, 1962 M. D. ADAMS ETAL TELEGRAPH swITcHING SYSTEM 65 Sheets-Sheet 18 Filed Sept. 13, 1960 LVI OCL 9, 1962 M. D. ADAMS ETAL 3,057,956

TELEGRAPH SWITCHING SYSTEM 63 Sheets-Sheet 19 Filed Sept. l5. 1960 AUX. STE

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TELEGRAPH swITcHING SYSTEM 63 Sheets-Sheet 2O Filed sept. 13, 1960 mm nmmOma .m5

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